MDCAT Chemistry Online Test 1 Chemistry Preparation
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1. Rusting can be avoided by:
Tin or zinc plating
Use of enamel
Making alloys
All of these
Correct Answer
Wrong Answer
2. In the presence of high temperature and pressure peat, is converted to:
Anthracite
Lignite
Bituminous coal
Coal
Correct Answer
Wrong Answer
3. The strongest bond is:
C – C
C = C
C ≡ C
All are equally strong
Correct Answer
Wrong Answer
4. According to Planck, energy travels in a discontinuous manner and it is composed of large number of tiny discrete units called:
Photons
Quanta
Planta
Particles
Correct Answer
Wrong Answer
5. The sum of mole fractions of components of a solution is equal to:
100
10
1
Correct Answer
Wrong Answer
6. Benzene was first discovered by:
Gibbs
Anderson
Michael Faraday
Hofmann
